Design and Characterization of Arbitrary Filters with an Integrated Spiral Si3N4/SiO2 Waveguide

Authors :: Mario Dagenais
Jiahao Zhan
Yiwen Hu
Yang Zhang
Shengjie Xie
Sylvain Veilleux
Source :: OFC
Publication Year :: 2020
Publisher :: Optica Publishing Group, 2020.
Abstract: We report the optimization of reconstruction algorithm and experiment for an integrated arbitrary filter. A 43-notch filter near 1550 nm is implemented with an ultra-low-loss Si3N4/SiO2 spiral waveguide. All notches have uniform depths/widths of about 20 dB/0.2 nm.

Subjects :: Materials science
Silicon
business.industry
chemistry.chemical_element
Reconstruction algorithm
Inverse problem
Waveguide (optics)
Optics
chemistry
Fiber Bragg grating
Filter (video)
Inverse scattering problem
business
Spiral

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